Heat Transfer Processes
- Created by: Wallace
- Created on: 22-04-14 14:24
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- heat transfer processes
- conduction
- needs particles
- metals are good conductors
- delocalised electrons
- non metals are good insulators
- Reduce it with spaces between particles (insulation)
- radiation
- no particles needed
- it is an electromagnetic wave
- that is how we get heat from the sun
- Untitled
- Reduce it with a silvery colour
- evaporation
- needs particles
- particles with most energy break the forces of attraction to become gases
- put a lid on to reduce it
- convection
- needs particles
- convection currents
- hot fluids rise and cold sink
- Reduce it by having big spaces between particles (insulation)
- Untitled
- heat always travels from hot towards cold
- Specific heat capacity is how easy it is to heat different substances
- E=m C theta
- conduction
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